It is used for easy extension of the EMA2 car alarm by additional sensors to secure the luggage compartment or property near your car, such as a caravan.
Specifications - Dimensions: 68 × 36 × 16 mm - Battery: CR2450, type lifetime 1 year - Operating band: 868 MHz - Operating temperature: -10 to +55°C - Communication range: up to 50 m in free space, up to 15 m in a building
